body {
    background: url(../img/1.jpg) no-repeat;
    background-size: 100%;
}

.login {
    margin: auto;
    margin-top: 14%;
    width: 350px;
    height: 300px;
    background-color: rgba(255, 255, 255, 0.3);
    text-align: center;
    align-content: center;
    line-height: 50px;
}

.fontcolor {
    color: rgba(255, 255, 255, 0.9);
}

.tl {
    display: inline-block;
    width: 80px;
    text-align: center;
}

.sub {
    width: 225px;
    height: 30px;
    border-radius: 15px;
}

.yz {
    display: inline-block;
    width: 120px;
    height: 50px;
    background-color: red;
    margin-right: 28px;
}

.yz img {
    width: 100%;
    height: 100%;
}

.yzm {
    width: 80px;
}